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Swift Springs metric coilover springs with a 60mm inner diameter. We list 6 free lengths, from 102mm or 4 inches to 229mm or 9 inches, and 102 spring rates from 4 to 50 kgf/mm, which is 224 to 2800 lbs/in. Each listing is a set of 2 springs made in Japan from Swift H5S.TW alloy steel.

The table below lists every length and rate we sell in 60mm ID, with the Swift part number. lbs/in values use the conversion in Swift's own tables, 1 kgf/mm = 56 lbs/in. Swift helper and assist springs are on the Swift Helper Springs page.

Lengths: 102mm (4 in), 127mm (5 in), 152mm (6 in), 178mm (7 in), 203mm (8 in), 229mm (9 in).

Length mm Length in Rate kgf/mm Rate lbs/in Part number
102 4 18 1008 Z60-102-180
102 4 20 1120 Z60-102-200
102 4 22 1232 Z60-102-220
102 4 24 1344 Z60-102-240
102 4 26 1456 Z60-102-260
102 4 28 1568 Z60-102-280
102 4 30 1680 Z60-102-300
102 4 32 1792 Z60-102-320
102 4 34 1904 Z60-102-340
102 4 38 2128 Z60-102-380
102 4 42 2352 Z60-102-420
102 4 46 2576 Z60-102-460
102 4 50 2800 Z60-102-500
127 5 8 448 Z60-127-080
127 5 10 560 Z60-127-100
127 5 11 616 Z60-127-110
127 5 12 672 Z60-127-120
127 5 13 728 Z60-127-130
127 5 14 784 Z60-127-140
127 5 15 840 Z60-127-150
127 5 16 896 Z60-127-160
127 5 17 952 Z60-127-170
127 5 18 1008 Z60-127-180
127 5 20 1120 Z60-127-200
127 5 22 1232 Z60-127-220
127 5 24 1344 Z60-127-240
127 5 26 1456 Z60-127-260
127 5 28 1568 Z60-127-280
127 5 30 1680 Z60-127-300
127 5 32 1792 Z60-127-320
127 5 34 1904 Z60-127-340
127 5 38 2128 Z60-127-380
127 5 42 2352 Z60-127-420
127 5 46 2576 Z60-127-460
127 5 50 2800 Z60-127-500
152 6 4 224 Z60-152-040
152 6 5 280 Z60-152-050
152 6 6 336 Z60-152-060
152 6 7 392 Z60-152-070
152 6 8 448 Z60-152-080
152 6 9 504 Z60-152-090
152 6 10 560 Z60-152-100
152 6 11 616 Z60-152-110
152 6 12 672 Z60-152-120
152 6 13 728 Z60-152-130
152 6 14 784 Z60-152-140
152 6 15 840 Z60-152-150
152 6 16 896 Z60-152-160
152 6 18 1008 Z60-152-180
152 6 20 1120 Z60-152-200
152 6 22 1232 Z60-152-220
152 6 24 1344 Z60-152-240
152 6 26 1456 Z60-152-260
152 6 28 1568 Z60-152-280
152 6 30 1680 Z60-152-300
152 6 32 1792 Z60-152-320
152 6 34 1904 Z60-152-340
178 7 4 224 Z60-178-040
178 7 5 280 Z60-178-050
178 7 6 336 Z60-178-060
178 7 7 392 Z60-178-070
178 7 8 448 Z60-178-080
178 7 9 504 Z60-178-090
178 7 10 560 Z60-178-100
178 7 11 616 Z60-178-110
178 7 12 672 Z60-178-120
178 7 13 728 Z60-178-130
178 7 14 784 Z60-178-140
178 7 15 840 Z60-178-150
178 7 16 896 Z60-178-160
178 7 17 952 Z60-178-170
178 7 18 1008 Z60-178-180
178 7 20 1120 Z60-178-200
178 7 22 1232 Z60-178-220
178 7 24 1344 Z60-178-240
203 8 4 224 Z60-203-040
203 8 5 280 Z60-203-050
203 8 6 336 Z60-203-060
203 8 7 392 Z60-203-070
203 8 8 448 Z60-203-080
203 8 9 504 Z60-203-090
203 8 10 560 Z60-203-100
203 8 11 616 Z60-203-110
203 8 12 672 Z60-203-120
203 8 13 728 Z60-203-130
203 8 14 784 Z60-203-140
203 8 16 896 Z60-203-160
203 8 18 1008 Z60-203-180
203 8 20 1120 Z60-203-200
229 9 4 224 Z60-228-040
229 9 5 280 Z60-228-050
229 9 6 336 Z60-228-060
229 9 7 392 Z60-228-070
229 9 8 448 Z60-228-080
229 9 9 504 Z60-228-090
229 9 10 560 Z60-228-100
229 9 11 616 Z60-228-110
229 9 12 672 Z60-228-120
229 9 13 728 Z60-228-130
229 9 14 784 Z60-228-140
229 9 15 840 Z60-228-150
229 9 16 896 Z60-228-160